10th Class Science Control and Coordination Question Bank Control and Co-ordination

  • question_answer Which of the following Sequences is correct in transfer of impulses in a reflex arc?

    A) \[\text{Receptor}\to \text{sensory nerve}\to \text{spinal cord}\to \] \[\text{motor nerve}\to \text{effector}.\]

    B) \[\text{Effector}\to \text{motor nerve}\to \text{spinal cord}\to \] \[\text{sensory nerve}\to \text{receptor}.\]

    C) \[~\text{Spinal cord}\to \text{sensory nerve}\to \text{receptor}\to \text{motor nerve}\to \text{effector}.\]

    D) \[~\text{Spinal cord}\to \text{motor nerve}\to \text{effector}\to \] \[\text{sensory nerve}\to \text{receptor}.\]

    Correct Answer: A

    Solution :

    \[\text{The pathway is receptor}\to \text{sensory nerve}\to \] \[\text{spinal cord}\to \text{motor nerve}\to \text{effecter}\].


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